41 lines
1.5 KiB
JavaScript
41 lines
1.5 KiB
JavaScript
// Copyright BigchainDB GmbH and BigchainDB contributors
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// SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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// Code is Apache-2.0 and docs are CC-BY-4.0
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/* eslint-disable import/no-unresolved */
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import bip39 from 'bip39'
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const driver = require('bigchaindb-driver')
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// ======== Create Keypair ======== //
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/**
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* Use a passphrase to derive a keypair
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* If you use the same seed -> you will derive the same keypair
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*
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* mnemnoicToSeed() transforms the passphrase you gave as an input
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* to a byteArray
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*
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* BigchainDB however only accepts an input length of 32 characters
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* so we have to slice this to give it as input for driver.Ed25519Keypair()
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*
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* Is it safe to slice? Yes, a seed of length 32 is very safe according
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* to related papers discussing this.
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*/
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const passphrase = 'This is a random passphrase'
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const seed = bip39.mnemonicToSeed(passphrase).slice(0, 32)
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const keypair = new driver.Ed25519Keypair(seed)
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console.log(`Public Key: ${keypair.publicKey} - Private Key: ${keypair.privateKey}`) // eslint-disable-line no-console
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// ======== Other Bip39 Functionality not related to BigchainDB ======== //
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/* Create Random passphrase */
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const mnemonic = bip39.generateMnemonic()
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console.log('Random passphrase: ', mnemonic) // eslint-disable-line no-console
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/* Validate mnemnoic */
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console.log(bip39.validateMnemonic(mnemonic)) // eslint-disable-line no-console
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console.log(bip39.validateMnemonic('some random strings together but to short')) // eslint-disable-line no-console
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